Trivia

George A. Romero, creator of the movies to which this movie pays homage and lampoons, was so impressed with Simon Pegg and Edgar Wright's work that he asked them to cameo in Land of the Dead (2005) as zombies.

When asked by an interviewer why they chose to have slow moving zombies instead of running zombies, Simon Pegg simply replied, "Because death is not an energy drink."

Simon Pegg and Edgar Wright considered a sequel that would replace zombies with another monster, but decided against it, as they were pleased with this movie as a stand-alone product, and thought too many characters died to continue the story. The proposed title was "From Dusk till Shaun". However, this idea did have an afterlife, a mocked up poster can be seen for the film in Spider-Man: Into the Spider-Verse (2018).

Shaun and Ed's friendship is based on Simon Pegg's and Nick Frost's when they shared a flat together.

Shaun tells Liz that he's going to take her to "The place that does all the fish." When he opens the phone book, you can see that the restaurant is literally called "Fulci's Restaurant: The Place That Does All the Fish". Lucio Fulci is a director well known for his zombie movies in the Italian Giallo genre.

Lucy Akhurst: The actress who played Sophie in season two of Spaced (1999) appears when Joe Cornish is on-screen, as a zombie getting shot in the back. She's the blonde girl in the center of the screen, with Cornish to her right.

Edgar Wright: During the Remembering Z-Day montage, there is a long shot of the zombies walking through a park. Edgar is the one in black who falls over himself. He also makes a voice cameo as the host of Fulci's Italian restaurant.